Finding the Fourth Proportional to 101,679.66, 152,518.71 and 30,601.99
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Solution
The fourth proportional to 101,679.66, 152,518.71 and 30,601.99 is: 45,902.75
Step by Step Solution
- Step 1: Write the proportion equation
101,679.66 : 152,518.71 = 30,601.99 : x - Step 2: Convert to fraction form
101,679.66/152,518.71 = 30,601.99/x - Step 3: Cross multiply
101,679.66x = 152,518.71 × 30,601.99 - Step 4: Simplify right side
101,679.66x = 4,667,376,038.23 - Step 5: Solve for x
x = 4,667,376,038.23/101,679.66 - Step 6: Final answer
x = 45,902.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.